Your number, one digit away

One digit away

One change could reach Exceptional.

Your number

647,721

Standard · Top 99.5%

Best one-digit neighbour

657,721

Exceptional · Top 2.99%

Position 2: 4 → 5 · +216 points.

Gained: Perfect square, Digit sum 28, Semiprime.

Lost: Digit sum 27.

53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.